Added setBarColor() function to CSVDoc::Operation. Created four color

types for existing operations (save, verify, compile and search), with a
default for future / undefined ops.

apps/opencs/view/doc/operation.cpp

@@ -35,7 +35,7 @@ void CSVDoc::Operation::updateLabel (int threads)
 CSVDoc::Operation::Operation (int type) : mType (type), mStalling (false)
 {
     /// \todo Add a cancel button or a pop up menu with a cancel item
-
+    setBarColor( type);
     updateLabel();
 
     /// \todo assign different progress bar colours to allow the user to distinguish easily between operation types
@@ -52,3 +52,69 @@ int CSVDoc::Operation::getType() const
 {
     return mType;
 }
+
+void CSVDoc::Operation::setBarColor (int type)
+{
+    QString style ="QProgressBar {"
+            "text-align: center;"
+            "}"
+          "QProgressBar::chunk {"
+            "background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 %1, stop:.50 %2 stop: .51 %3 stop:1 %4);"
+            "text-align: center;"
+            "margin: 2px 1px 1p 2px;"
+          "}";
+
+    // "QProgressBar::chunk {background-color: %1;}";
+
+    QString topColor = "#F2F6F8";
+    QString bottomColor = "#E0EFF9";
+    QString midTopColor = "#D8E1E7";
+    QString midBottomColor = "#B5C6D0";  // default gray gloss
+
+    // colors inspired by samples from:
+    // http://www.colorzilla.com/gradient-editor/
+
+    switch (type)
+    {
+    case CSMDoc::State_Saving:
+
+        topColor = "#FECCB1";
+        midTopColor = "#F17432";
+        midBottomColor = "#EA5507";
+        bottomColor = "#FB955E";  // red gloss #2
+        //break;
+
+    case CSMDoc::State_Searching:
+
+        topColor = "#EBF1F6";
+        midTopColor = "#ABD3EE";
+        midBottomColor = "#89C3EB";
+        bottomColor = "#D5EBFB"; //blue gloss #4
+        //break;
+
+    case CSMDoc::State_Verifying:
+
+        topColor = "#BFD255";
+        midTopColor = "#8EB92A";
+        midBottomColor = "#72AA00";
+        bottomColor = "#9ECB2D";  //green gloss
+        //break;
+
+    case CSMDoc::State_Compiling:
+
+        topColor = "#F3E2C7";
+        midTopColor = "#C19E67";
+        midBottomColor = "#B68D4C";
+        bottomColor = "#E9D4B3";  //l Brown 3D
+        //break;
+
+    default:
+
+        topColor = "#F2F6F8";
+        bottomColor = "#E0EFF9";
+        midTopColor = "#D8E1E7";
+        midBottomColor = "#B5C6D0";  // gray gloss for undefined ops
+    }
+
+    setStyleSheet(style.arg(topColor).arg(midTopColor).arg(midBottomColor).arg(bottomColor));
+}

apps/opencs/view/doc/operation.hpp

@@ -25,6 +25,10 @@ namespace CSVDoc
             void setProgress (int current, int max, int threads);
 
             int getType() const;
+
+        private:
+
+            void setBarColor (int type);
     };
 }